Home / 201,276-411,291

Finding the Third Proportional to 201,276 and 411,291

Calculator

Solution

The third proportional to 201,276 and 411,291 is: 840,439.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,276 : 411,291 = 411,291 : x
  2. Step 2: Convert to fraction form
    201,276/411,291 = 411,291/x
  3. Step 3: Cross multiply
    201,276x = 411,291 × 411,291
  4. Step 4: Simplify right side
    201,276x = 169,160,286,681
  5. Step 5: Solve for x
    x = 169,160,286,681/201,276
  6. Step 6: Final answer
    x = 840,439.43

Related Problems

Find third proportional to 100,638 and 205,645.50
Half scale
Find third proportional to 402,552 and 822,582
Double scale
Find third proportional to 201,278 and 411,295
Similar ratio
Find third proportional to 301,914 and 616,936.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.